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3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
P 1537
AR / GR
C20H14O4
382200.90
18%
77-09-8
99%+
318.32
Bottle / Drum
P 1537 (OTTO) Phenolphthalein, GR 99%+ Cas 77-09-8 - used as a colorimetric pH indicator.
Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations
Hematology & histology
Powder
White to off white
Colourless to red-violet
Max 0.5%
Hazard Codes XnRisk Statements 40Safety Statements 36/37WGK Germany 3
DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received. For laboratory use only. Not for drug, medical, household, or any other unauthorized application. We assume no liability for misuse or unauthorized application of the product. Please test before use.